Topics around mechanical design, controller and electronics. Mods & hacks welcome.
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Postby FellowX » Sun Aug 13, 2017 7:23 am

How is ventilation done when printing with abs plastic?

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Re: Ventilation

Postby Vicky@Raise3D » Mon Aug 14, 2017 8:25 am

Not sure how to calculate the ventilation.
But as we measured before, with heated bed set to be 110C, the inner chamber can reach to about 60-70C.

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Re: Ventilation

Postby jmenking » Wed Sep 06, 2017 11:36 am

I am also interested in venting the N2Plus to the outside of the office where I print. To calculate fan size use CFM (cubic feet per minute). Example: N2Plus enclosure is roughly 2'x2'x3'. or 12ft^3. Find a fan with a CFM rating of 12 and you will be "purging" the air in the enclosure once every minute. Im thinking that 2x or 3x a minute is better, but i am worried about the slightly cooler air warping prints. I will update asap.

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Re: Ventilation

Postby Targo » Wed Sep 06, 2017 1:16 pm

If ABS is printed it is good if the interior is heated up to 60-70 °. As a result, the delamination and premature separation from the building panel is clearly prevented. In my opinion, no additional ventilation is required with ABS, as well as the fans on the print head should be closed with the small covers.

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